Sigma 18-250mm F3.5-6.3 DC OS HSM

Announced Jan 15, 2009 •
Lens | Canon EF-S, Nikon F (DX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha
Principal specifications
Lens type Zoom lens
Max Format size APS-C / DX
Focal length 18–250 mm
Image stabilization Yes (Up to 4 stops claimed)
Lens mount Canon EF-S, Nikon F (DX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha
Aperture
Maximum aperture F3.5–6.3
Minimum aperture F22–40
Aperture ring No
Number of diaphragm blades 7
Aperture notes rounded blades
Optics
Elements 18
Groups 14
Special elements / coatings 4 SLD glass elements 3 aspherical elements
Focus
Minimum focus 0.45 m (17.72)
Maximum magnification 0.29×
Autofocus Yes
Motor type Micro-type ultrasonic
Full time manual Unknown
Focus method Internal
Distance scale Yes
DoF scale Yes
Physical
Weight 628 g (1.38 lb)
Diameter 79 mm (3.11)
Length 101 mm (3.98)
Materials Plastic barrel, metal mount
Colour Black
Zoom method Rotary (extending)
Zoom lock Yes
Filter thread 72.0 mm
Filter notes does not rotate on focus
Hood supplied Yes
Other
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